Posted by Mrs. Ibrahim | Posted in depth and complexity, Inquiry, Uncategorized, Water | Posted on January 11, 2011
Today we will use 3 Depth and Complexity icons to explore world water usage as we Think Like a Hydrologist…
You learn the difference between fresh and saline water and its distribution on Earth, as well as the very small percentage that is available for human uses. What percentage of Earth’s water do you think is fresh, and what percentage do you think is saline? Examine the online maps of our world’s water (and related graphs) to visualize the quantities.
Now we are going to look at the world’s water usage. Start with the first map showing the world land area as it changes to a population map. What do you notice? http://www.worldmapper.org/animations/wm01to02.html
Finally, browse some of the other cartograms referring to water. (Put water in the search box). What trends do you notice? http://www.worldmapper.org/results.php